diff options
| author | Jonas Gorski <jogo@openwrt.org> | 2013-03-21 15:03:17 +0100 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2013-05-08 01:19:03 +0200 |
| commit | 2c8aaf71b0a4738ae8cb70d9367089bdb892aea3 (patch) | |
| tree | 5ed40900de84142b9c4ed3812001154538f7cdde /arch/mips/bcm63xx/cpu.c | |
| parent | MIPS: BCM63XX: rework chip detection (diff) | |
| download | linux-2c8aaf71b0a4738ae8cb70d9367089bdb892aea3.tar.xz linux-2c8aaf71b0a4738ae8cb70d9367089bdb892aea3.zip | |
MIPS: BCM63XX: add basic BCM6362 support
Add basic support for detecting and booting the BCM6362.
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/5009/
Acked-by: John Crispin <blogic@openwrt.org>
Diffstat (limited to 'arch/mips/bcm63xx/cpu.c')
| -rw-r--r-- | arch/mips/bcm63xx/cpu.c | 51 |
1 files changed, 50 insertions, 1 deletions
diff --git a/arch/mips/bcm63xx/cpu.c b/arch/mips/bcm63xx/cpu.c index fef168d85884..79fe32df5e96 100644 --- a/arch/mips/bcm63xx/cpu.c +++ b/arch/mips/bcm63xx/cpu.c @@ -71,6 +71,15 @@ static const int bcm6358_irqs[] = { }; +static const unsigned long bcm6362_regs_base[] = { + __GEN_CPU_REGS_TABLE(6362) +}; + +static const int bcm6362_irqs[] = { + __GEN_CPU_IRQ_TABLE(6362) + +}; + static const unsigned long bcm6368_regs_base[] = { __GEN_CPU_REGS_TABLE(6368) }; @@ -169,6 +178,42 @@ static unsigned int detect_cpu_clock(void) return (16 * 1000000 * n1 * n2) / m1; } + case BCM6362_CPU_ID: + { + unsigned int tmp, mips_pll_fcvo; + + tmp = bcm_misc_readl(MISC_STRAPBUS_6362_REG); + mips_pll_fcvo = (tmp & STRAPBUS_6362_FCVO_MASK) + >> STRAPBUS_6362_FCVO_SHIFT; + switch (mips_pll_fcvo) { + case 0x03: + case 0x0b: + case 0x13: + case 0x1b: + return 240000000; + case 0x04: + case 0x0c: + case 0x14: + case 0x1c: + return 160000000; + case 0x05: + case 0x0e: + case 0x16: + case 0x1e: + case 0x1f: + return 400000000; + case 0x06: + return 440000000; + case 0x07: + case 0x17: + return 384000000; + case 0x15: + case 0x1d: + return 200000000; + default: + return 320000000; + } + } case BCM6368_CPU_ID: { unsigned int tmp, p1, p2, ndiv, m1; @@ -205,7 +250,7 @@ static unsigned int detect_memory_size(void) unsigned int cols = 0, rows = 0, is_32bits = 0, banks = 0; u32 val; - if (BCMCPU_IS_6328()) + if (BCMCPU_IS_6328() || BCMCPU_IS_6362()) return bcm_ddr_readl(DDR_CSEND_REG) << 24; if (BCMCPU_IS_6345()) { @@ -297,6 +342,10 @@ void __init bcm63xx_cpu_init(void) bcm63xx_regs_base = bcm6358_regs_base; bcm63xx_irqs = bcm6358_irqs; break; + case BCM6362_CPU_ID: + bcm63xx_regs_base = bcm6362_regs_base; + bcm63xx_irqs = bcm6362_irqs; + break; case BCM6368_CPU_ID: bcm63xx_regs_base = bcm6368_regs_base; bcm63xx_irqs = bcm6368_irqs; |